互动封闭仿真课堂
1、智能交互 2、电子板书式视频教学 3、在线互动问答 4、封闭课堂启发式教学方式
随堂测试、知识梳理、易错点揭示、总结启迪智能错题本
听课中的错题能自动加入错题本，课后可方便复习及导出错题本升级服务
在线答疑、课后同类题练习、讲义下载、短信提醒38. The change in man's size of forehead is probably because____
A. he makes use only 20 % of the brain's capacity.
B. his brain has grown larger over the past centuries.
C. the other 80% of his brain will grow in due time.
D. he will use his brain more and more as time goes on.
39. What is true about a human being in the future？
A. He is hairless because hair is no longer useful.
B. He has smaller eyes and wears better glasses.
C. His fingers grow weaker because he doesn't have to make use of them.
D. He thinks and feels in different way.
40. It is implied that ____.
A. human beings will become less attractive in the future.
B. less use of a bodily organ may lead to its degeneration
C. human beings hope for a change in the future life
D. future life is always predictable.
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